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Date: Thu, 30 Nov 2023 13:29:18 -0800
From: Andi Kleen <ak@linux.intel.com>
To: irogers@google.com
Cc: linux-perf-users@vger.kernel.org
Subject: More perf events reordering
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(on a Intel system with TopDown metrics, Icelake+)


$ ~/perf stat -e 'slots,cycles,slots' true
WARNING: events were regrouped to match PMUs

 Performance counter stats for 'true':

     <not counted>      cpu_core/slots/
   <not supported>      cpu_core/slots/
         1,458,844      cpu_atom/cycles/
     <not counted>      cpu_core/cycles/                                                        (0.00%)

       0.001501970 seconds time elapsed

       0.001621000 seconds user
       0.000000000 seconds sys


Output is unexpected order.
I don't think there should be any reordering without a group.

-Andi